@article{VMP_2009_10_3_a3,
     author = {M. Yu. Kokurin},
     title = {On the reduction of the nonlinear inverse problem for},
     journal = {Numerical methods and programming},
     pages = {300--305},
     year = {2009},
     volume = {10},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2009_10_3_a3/}
}